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xkcd-bot.bsky.social
xkcd Bot
@xkcd-bot.bsky.social
970 followers 4 following 170 posts
A bot for BlueSky that posts xkcd comics, shows the alt text, and links to the Explain xkcd site.

By @perevillega.com
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xkcd-bot.bsky.social
Inverted Catenaries
https://xkcd.com/3176/

Some tires are marketed as 'all-shape tires,' but if driven in a climate with both inverted catenary falls and triangle falls, they wear out really fast.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3176

Some tires are marketed as 'all-shape tires,' but if driven in a climate with both inverted catenary falls and triangle falls, they wear out really fast.
December 4, 2025 at 2:06 AM
xkcd-bot.bsky.social
Website Task Flowchart
https://xkcd.com/3175/

Tired of waiting on hold? Use our website to chat with one of our live agents, who are available to produce words at you 24/7!

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3175

Tired of waiting on hold? Use our website to chat with one of our live agents, who are available to produce words at you 24/7!
December 1, 2025 at 8:04 PM
xkcd-bot.bsky.social
Bridge Clearance
https://xkcd.com/3174/

A lot of the highway department's budget goes to adjusting the sign whenever the moon passes directly overhead.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3174

A lot of the highway department's budget goes to adjusting the sign whenever the moon passes directly overhead.
November 28, 2025 at 9:30 PM
xkcd-bot.bsky.social
Satellite Imagery
https://xkcd.com/3173/

Every weekend I take an ATV out into the desert and spend a day tracing a faint "(C) GOOGLE 2009" watermark across the landscape.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3173

Every weekend I take an ATV out into the desert and spend a day tracing a faint "(C) GOOGLE 2009" watermark across the landscape.
November 26, 2025 at 8:58 PM
xkcd-bot.bsky.social
Fifteen Years
https://xkcd.com/3172/

"Want to feel old?" "Yes."

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3172

"Want to feel old?" "Yes."
November 24, 2025 at 9:26 PM
xkcd-bot.bsky.social
Geologic Core Sample
https://xkcd.com/3171/

If you drill at the right angle and time things perfectly, your core sample can include a section of a rival team's coring equipment.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3171

If you drill at the right angle and time things perfectly, your core sample can include a section of a rival team's coring equipment.
November 21, 2025 at 11:11 PM
xkcd-bot.bsky.social
Service Outage
https://xkcd.com/3170/

Now, if it were the *Canon* wiki, it's possible to imagine someone with a productivity-related reason for consulting it, but no one's job requires them to read that much about Admiral Daala.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3170

Now, if it were the *Canon* wiki, it's possible to imagine someone with a productivity-related reason for consulting it, but no one's job requires them to read that much about Admiral Daala.
November 20, 2025 at 2:09 AM
xkcd-bot.bsky.social
EPIRBs
https://xkcd.com/3169/

'Oh no, the box is drifting out into the harbor!' 'Yeah, I wouldn't worry about losing it.'

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3169

'Oh no, the box is drifting out into the harbor!' 'Yeah, I wouldn't worry about losing it.'
November 17, 2025 at 11:06 PM
xkcd-bot.bsky.social
Beam Dump
https://xkcd.com/3168/

We're adding some industrial flypaper to minimize reflection or scattering of customers who might complain.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3168

We're adding some industrial flypaper to minimize reflection or scattering of customers who might complain.
November 14, 2025 at 10:33 PM
xkcd-bot.bsky.social
Car Size
https://xkcd.com/3167/

'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3167

'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'
November 12, 2025 at 8:00 PM
xkcd-bot.bsky.social
Big and Little Spoons
https://xkcd.com/3166/

Are you the annoying spoon or the sleepy spoon?

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3166

Are you the annoying spoon or the sleepy spoon?
November 11, 2025 at 1:28 AM
xkcd-bot.bsky.social
Earthquake Prediction Flowchart
https://xkcd.com/3165/

At least people who make religious predictions of the apocalypse have an answer to the question 'Why didn't you predict any of the other ones that happened recently?'

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3165

At least people who make religious predictions of the apocalypse have an answer to the question 'Why didn't you predict any of the other ones that happened recently?'
November 8, 2025 at 2:13 AM
xkcd-bot.bsky.social
Metric Tip
https://xkcd.com/3164/

The package weighs 7 kg 9 oz.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3164

The package weighs 7 kg 9 oz.
November 5, 2025 at 9:11 PM
xkcd-bot.bsky.social
Repair Video
https://xkcd.com/3163/

The statue should be in the likeness of whatever sculptor posted the sculpting tool repair video that was most helpful during the installation of the statue.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3163

The statue should be in the likeness of whatever sculptor posted the sculpting tool repair video that was most helpful during the installation of the statue.
November 3, 2025 at 11:38 PM
xkcd-bot.bsky.social
Heart Mountain
https://xkcd.com/3162/

Even geology papers about Heart Mountain are like, "Look, we all agree this 'volcanic gas earthquake hovercraft' thing seems like it can't possibly be right, but..."

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3162

Even geology papers about Heart Mountain are like, "Look, we all agree this 'volcanic gas earthquake hovercraft' thing seems like it can't possibly be right, but..."
November 1, 2025 at 12:35 AM
xkcd-bot.bsky.social
Airspeed
https://xkcd.com/3161/

Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3161

Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record
October 29, 2025 at 9:32 PM
xkcd-bot.bsky.social
Document Forgery
https://xkcd.com/3160/

It comes with a certificate of authenticity, which comes with a certificate of authenticity, which comes with a...

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3160

It comes with a certificate of authenticity, which comes with a certificate of authenticity, which comes with a...
October 27, 2025 at 9:30 PM
xkcd-bot.bsky.social
Continents
https://xkcd.com/3159/

(alt-text too long for a BlueSky message, see image alt-text instead)

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3159
The inflection point was probably in late 1966 or 1967, so when Neil Armstrong flew to space on Gemini 8, plate tectonics was not widely accepted, but when he landed on the Moon three years later it was the mainstream consensus.
October 24, 2025 at 1:56 PM
xkcd-bot.bsky.social
Shielding Chart
https://xkcd.com/3158/

Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3158

Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.
October 23, 2025 at 1:55 AM
xkcd-bot.bsky.social
Emperor Palpatine
https://xkcd.com/3157/

Many things about Star Wars were not well planned out, but having a 37-year-old in old-age makeup play the Emperor in Return of the Jedi was such an incredible call.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3157

Many things about Star Wars were not well planned out, but having a 37-year-old in old-age makeup play the Emperor in Return of the Jedi was such an incredible call.
October 20, 2025 at 9:51 PM
xkcd-bot.bsky.social
Planetary Rings
https://xkcd.com/3156/

(alt-text too long for a BlueSky message, see image alt-text instead)

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3156
If you don't know where you are on Earth, the angle of satellite dishes can help constrain your latitude. If some of them are pointing straight up, you're probably near the Equator, right under the ring.
October 17, 2025 at 4:17 PM
xkcd-bot.bsky.social
Physics Paths
https://xkcd.com/3155/

If nothing else, that reasoning definitely overturns syllogisms.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3155

If nothing else, that reasoning definitely overturns syllogisms.
October 15, 2025 at 8:15 PM
xkcd-bot.bsky.social
Physics Insight
https://xkcd.com/3154/

When Galileo dropped two weights from the Leaning Tower of Pisa, they put him in the history books. But when I do it, I get 'detained by security' for 'injuring several tourists.'

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3154

When Galileo dropped two weights from the Leaning Tower of Pisa, they put him in the history books. But when I do it, I get 'detained by security' for 'injuring several tourists.'
October 13, 2025 at 1:42 PM
xkcd-bot.bsky.social
Hot Water Balloon
https://xkcd.com/3153/

(alt-text too long for a BlueSky message, see image alt-text instead)

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3153
Despite a reputation for safety, the temperatures and surprisingly high pressures make them even more dangerous than the air kind, but the NTSB refuses to investigate accidents because they insist there is no 'transportation' involved.
October 10, 2025 at 8:49 PM
xkcd-bot.bsky.social
Skateboard
https://xkcd.com/3152/

I understand it's hard to do more than 300 feet on these 90-second rush jobs, but with a smaller ramp I'm worried the gee forces will be too high for me to do any tricks.

Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3152

I understand it's hard to do more than 300 feet on these 90-second rush jobs, but with a smaller ramp I'm worried the gee forces will be too high for me to do any tricks.
October 9, 2025 at 1:17 AM